#644DF2#644DF2

#644DF2 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.7% C 0.234 H 281.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#644DF2
RGB	rgb(100, 77, 242)
HSL	hsl(248, 86%, 63%)
HSV	hsv(248, 68%, 95%)
CMYK	cmyk(58.7%, 68.2%, 0%, 5.1%)
CIE-LAB	lab(44.84, 53.50, -79.63)
CIE-LCH	lch(44.84, 95.93, 303.89°)
OKLab	oklab(54.75% 0.0475 -0.2294)
OKLCH	oklch(54.75% 0.234 281.7)
XYZ	xyz(23.9314, 14.4262, 85.5107)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DF2 #DBF24D

analogous

#4D88F2 #644DF2 #B74DF2

triadic

#644DF2 #F2644D #4DF264

tetradic

#644DF2 #F24D88 #DBF24D #4DF2B7

square

#644DF2 #F24D88 #DBF24D #4DF2B7

split-complementary

#644DF2 #F2B74D #88F24D

monochromatic

#250DB7 #3214EE #644DF2 #9686F6 #C7BFFA

Accessibility & contrast

On white

5.40

#644DF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#644DF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DF2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DF2	#FFFFFF	#000000	##FFFFFF
##644DF2	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070F7

Deuteranopia (green-blind)

#0064EF

Tritanopia (blue-blind)

#00799A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #644df2;
/* rgb */ color: rgb(100, 77, 242);
/* oklch */ color: oklch(54.7% 0.234 281.7);

Tailwind

colors: {
  custom: {
    50: '#9e81f8',
    500: '#644df2',
    950: '#000000',
  },
}

SCSS

$custom: #644df2;
$custom-light: #9e81f8;
$custom-dark: #000000;

JSON

{
  "hex": "#644df2",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 242
  },
  "hsl": {
    "h": 248.364,
    "s": 86.387,
    "l": 62.549
  },
  "oklch": {
    "l": 0.54745,
    "c": 0.23426,
    "h": 281.7
  },
  "luminance": 0.14428
}

Semantic roles & 50–950 ramp

primary

#644DF2

secondary

#E3EBAF

accent

#E303C4

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644DF2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →